Lenovo TruDDR5 64GB 2Rx4 PC5-44800 ECC RDIMM 5600MHz

The Lenovo TruDDR5 64GB 2Rx4 PC5-44800 ECC RDIMM (4X71N41564) is a high-density registered DDR5 memory module engineered specifically for Lenovo ThinkSystem servers operating in demanding datacenter and enterprise environments. Built on the DDR5 architecture, the module operates at a rated speed of 5600MHz (PC5-44800) with a dual-rank, quad-die-per-package (2Rx4) configuration that delivers a balanced combination of capacity and memory bandwidth. The RDIMM (Registered DIMM) design incorporates an on-module register buffer that improves signal integrity across the memory bus, enabling reliable operation at scale in multi-DIMM-per-channel configurations common in modern dual- and multi-socket server platforms.

Error-Correcting Code (ECC) functionality is integrated into the module to detect and correct single-bit memory errors in real time, providing the data integrity assurance essential for mission-critical enterprise workloads. The DDR5 architecture introduces on-die ECC (on-die error correction at the DRAM level) in addition to system-level ECC, resulting in a more robust error-correction pipeline compared to prior DDR generations. Operating on a 1.1V supply voltage, TruDDR5 modules achieve improved power efficiency relative to DDR4 equivalents operating at 1.2V, supporting datacenter sustainability objectives without compromising throughput. The module is manufactured to Lenovo's TruDDR5 quality standards, ensuring full validation and compatibility with supported Lenovo ThinkSystem server platforms.

With 64GB of capacity per module, the 4X71N41564 is well-suited to high-density memory configurations that support large in-memory datasets, virtualization consolidation, and AI/ML inference workloads that demand both capacity and bandwidth. Lenovo ThinkSystem platforms supporting this module can be populated to multi-terabyte total memory configurations, enabling organizations to run memory-intensive analytics, large language model inference stacks, and enterprise database engines without data tiering penalties. As part of the TruDDR5 ecosystem, these modules are validated end-to-end for the server platform, reducing integration risk and supporting predictable, stable performance in production environments.

Ideal for

• High-density virtualization hosts running large numbers of concurrent VMs requiring substantial per-VM memory allocation across dual-socket ThinkSystem server platforms
• AI and machine learning inference servers where large model weights must reside entirely in system memory to minimize latency during real-time inferencing
• In-memory database deployments such as SAP HANA, Redis, or Oracle In-Memory where entire working datasets must be held in DRAM for sub-millisecond query response
• Enterprise cloud infrastructure nodes within private or hybrid cloud environments requiring validated, high-capacity DDR5 memory for workload density and reliability
• High-performance computing (HPC) cluster nodes running memory-bandwidth-sensitive scientific, simulation, or financial modeling workloads that benefit from DDR5 throughput improvements
• Datacenter consolidation initiatives where replacing multiple lower-capacity memory configurations with 64GB RDIMMs reduces physical server count and associated power and cooling overhead

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.